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    <title>第四次作业</title>   
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<body>
    <h1>css基础练习</h1>
    <section>
        <h2>css基础练习</h2>
        <ul>
             <li>外部样式表</li>
             <li>内部样式表</li>
              <li>内嵌样式表</li>
        </ul>
    </section>
   

    <div style="color: red; font-size: 20px;font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;">青春不常在，抓紧谈恋爱</div>
    <div style="color: blue;font-size: 20px;">世上没有树绕滕</div>


        
            <span class="blue">G</span>
            <span class="red">o</span>
            <span class="orange">o</span>
            <span class="blue">g</span>
            <span class="green">l</span>
            <span class="red">e</span>
        
            <div class="pink fontWeight font20">亚瑟</div>
            <div class="font20">刘备</div>
            <div class="font14 pink">安其拉</div>
            <div class="font14">貂蝉</div>
           
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